After opening the nexus screen, click sgin in Log in
Username: admin
Password: admin123
Click to create repository Create the repository
Ali warehouse agent to create a mirror
Mirroring address: http: //maven.aliyun.com/nexus/content/groups/public/
Fill in the repository name and image to create other default click
Create a third-party repository
Select maven2 (hosted) can fill in the name of the repository
Finally, create a group
Select maven (group)
Click to view the repository created group address